Description
The A.J. Antunes 801111323 is a precision-engineered SPDT (Single Pole, Double Throw) air differential, vacuum, and pressure switch designed for demanding HVAC and commercial equipment applications. With a sensing range of .07–1.7″ W.C. (water column), this switch delivers accurate, reliable pressure detection across a wide operating window — making it suitable for monitoring air pressure differentials, vacuum conditions, and positive pressure in a variety of systems.
Key Features
- Pressure range: .07–1.7″ W.C. (water column)
- Switch type: SPDT (Single Pole, Double Throw) for versatile circuit control
- Port connection: 1/8″ NPT for easy integration into standard pneumatic and air-handling systems
- Multi-function sensing: operates as an air differential, vacuum, and pressure switch in one unit
- Harrison connector included for secure, reliable electrical termination
- Compact, durable construction suited for commercial HVAC and foodservice equipment environments
Application
The 801111323 is an OEM replacement and service part for A.J. Antunes equipment, as well as a versatile solution for HVAC systems requiring precise low-range pressure or vacuum switching. The SPDT configuration allows the switch to control or signal both normally open and normally closed circuits simultaneously, providing flexible integration into control panels, safety interlocks, and monitoring systems.
Installation Notes
- 1/8″ NPT port connects directly to air tubing or manifolds
- Harrison connector simplifies wiring and ensures a positive electrical connection
- Verify system pressure range falls within .07–1.7″ W.C. before installation
- Suitable for air, differential, and vacuum pressure sensing applications
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